MB3793-42PF FUJITSU [Fujitsu Component Limited.], MB3793-42PF Datasheet - Page 3

• Manufacturer Part Number: MB3793-42PF
• Description: POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

BLOCK DIAGRAM
RESET
CTW
CTP
CK1
CK2
INH
1
3
6
2
8
7
Pulse generator 2
Pulse generator 1
Output
To V
buffer
CC
of all blocks
Comp. O
Watchdog
+
−
timer
I
1
≅ 3 µA
Reference
generator
voltage
I
2
≅ 30 µA
RSFF2
RSFF1
Q
Q
Q
Q
V
REF
≅ 1.24 V
To GND of all blocks
S
R
S
R
Comp. S
−
+
MB3793-42
V
R
590 kΩ
R
240 kΩ
S
1
2
≅
≅
5
4
GND
V
CC
3